(19)

(11)

EP 2 082 197 A1

(12)

(43) Date of publication: 29.07.2009 Bulletin 2009/31 (21) Application number: 07835303.4 (22) Date of filing: 05.10.2007

(51) International Patent Classification (IPC):  G01F 23/292(2006.01) G01N 33/48(2006.01) (86) International application number: PCT/SE2007/050718 (87) International publication number: WO 2008/041944 (10.04.2008 Gazette 2008/15)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 06.10.2006 SE 0602103 06.10.2006 US 850165 P (71) Applicant: Respiratorius AB 22643 Lund (SE)	(72) Inventor: WOKANDER, Mats SE-227 32 Lund (SE) (74) Representative: Karlsson, Leif Gunnar Börje  Ström & Gulliksson AB P.O. Box 4188 203 13 Malmö 203 13 Malmö (SE)